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Old 12-03-2010, 03:26 AM   #4
chaley
Grand Sorcerer
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Posts: 12,449
Karma: 8012886
Join Date: Jan 2010
Location: Notts, England
Device: Kobo Libra 2
If what you want to do is really change author_sort to contain only one author, then you can do that with search replace. Select all your books, then go to search replace (hit 'E').

Code:
Search mode: regular expression
source: author_sort
search:^(.*?)&.*$
replace:\1
dest: author_sort (or empty)
This will remove the second and subsequent authors from author_sort.

You should test this on a couple of books before whacking your library with it.
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